Cat Stevens - Sept. 2004

Grounded for: Mistakenly being added to a terrorist watch list. The musician's cross-country flight was diverted in air when his adopted Muslim name Yusuf Islam raised red flags at customs.

Grounded for: Mistakenly being added to a terrorist watch list. The musician's cross-country flight was diverted in air when his adopted Muslim name Yusuf Islam raised red flags at customs. (Photo by Gareth Cattermole/Getty Images)

Grounded for: Mistakenly being added to a terrorist watch list. The musician's cross-country flight was diverted in air when his adopted Muslim name Yusuf Islam raised red flags at customs.